Home / 12,685,436.88-17,506,031.16-6,884,268.72

Finding the Fourth Proportional to 12,685,436.88, 17,506,031.16 and 6,884,268.72

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Solution

The fourth proportional to 12,685,436.88, 17,506,031.16 and 6,884,268.72 is: 9,500,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685,436.88 : 17,506,031.16 = 6,884,268.72 : x
  2. Step 2: Convert to fraction form
    12,685,436.88/17,506,031.16 = 6,884,268.72/x
  3. Step 3: Cross multiply
    12,685,436.88x = 17,506,031.16 × 6,884,268.72
  4. Step 4: Simplify right side
    12,685,436.88x = 120,516,222,726,133.31
  5. Step 5: Solve for x
    x = 120,516,222,726,133.31/12,685,436.88
  6. Step 6: Final answer
    x = 9,500,360.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.